Does the OIG's "Extend The DRG" report make no sense, or did I miss something?

In February 2014, the OIG published a report whose whose title seems to clearly predict its content:  "Medicare and Beneficiaries Could Realize Substantial Savings if the DRG Window were Expanded."  (For a brief summary of the 32-page document, see this blog.)

What happens now? 

The report notes that a pre-admission bundling policy currently exists for hospital services within a three day window and provided by the same hospital.  For three days before a DRG inpatient admission, services of the very same hospital are considered bundled (these might typically be emergency room services or pre-surgical laboratory tests).  No post-discharge services are overtly bundled, but a quirk for clinical laboratories called the "date of service rule" blocks additional payment for tests performed on samples taken while the beneficiary was an inpatient.